DTIC ADA467356: No Further Action Decision Under CERCLA Study Area 43K Historic Gas Station Sites Fort Devens, Massachusetts PDF
Preview DTIC ADA467356: No Further Action Decision Under CERCLA Study Area 43K Historic Gas Station Sites Fort Devens, Massachusetts
DiSTR1BUTION STATEMENT A Approved for Public Release Distribution Unlimited NO FURTHER ACTION DECISION UNDER CERCLA STUDY AREA 43K HISTORIC GAS STATION SITES FORT DEVENS, MASSACHUSETTS CONTRACT DAAA15-91-D-0008 U.S. ARMY ENVIRONMENTAL CENTER ABERDEEN PROVING GROUND, MARYLAND JANUARY 1995 PRINTED ON RECYCLED PAPER 20070502721 AEC Form 45, 1 Feb 93 replaces THAMA Form 45 which is obsolete. ~2 P~~iS TATEE11Et31T ~A App roved for Public Release Distribution Unlimited U.S. Army Environmental Center NO FURTHER ACTION DECISION UNDER CERCLA STUDY AREA 43K HISTORIC GAS STATION SITES FORT DEVENS,9 MASSACHUSETTS CONTRACT DAAA15-91-D-0008 U.S. ARMY ENVIRONMENTAL CENTER ABERDEEN PROVING GROUND, MARYLAND JANUARY 1995 PRINTED ON RECYCLED PAPER 20070502721 AFC Form 45- 1 Feh 93 renla.PA THAMA Form 45 whinh is obsolete. I U I NO FURTHER ACTION DECISION UNDER CERCLA 3 STUDY AREA 43K HISTORIC GAS STATION SITES I FORT DEVENS, MASSACHUSETTS I I I * Preparedf or: U.S. Army Environmental Center Aberdeen Proving Ground, Maryland Contract DAAA15-91-0008 I I * Prepared by: ABB Environmental Services, Inc. Portland, Maine Project No. 7053-12 I JANUARY 1995 I I I NO FURTHER ACTION DECISION UNDER CERCLA STUDY AREA 43K HISTORIC GAS STATION SITES FORT DEVENS, MASSACHUSETTS 3 TABLE OF CONTENTS Section Title Page No. I EXECUTIVE SUMMARY ......................................... ES-1 I 1.0 INTRODUCTION ........................................... 1-1 2.0 BACKGROUND AND PHYSICAL SEThING ...................... 2-1 2.1 DESCRIPTION AND LAND USE .............................. 2-1 3 2.2 REGIONAL GEOLOGY ...................................... 2-2 2.3 REGIONAL HYDROGEOLOGY ................................. 2-2 2.4 STUDY AREA DESCRIPTION AND HISTORY .................... 2-3 1 3.0 RELATED INVESTIGATIONS ................................. 3-1 3.1 MASTER ENVIRONMENTAL PLAN ............................ 3-1 3.2 ENHANCED PRELIMINARY ASSESSMENT ....................... 3-1 3.3 SITE INVESTIGATION REPORT ................................ 3-2 I 4.0 CONTAMINATION ASSESSMENT .............................. 4-1 4.1 SOILS ................................................ 4-1 4.2 GROUNDWATER ........................................... 4-2 3 5.0 PRELIMINARY HUMAN HEALTH RISK EVALUATION ............ 5-1 6.0 PRELIMINARY ECOLOGICAL RISK EVALUATION ............... 6-1 7.0 CONCLUSIONS ............................................ 7-1 8.0 D ECISION ................................................. 8-1 GLOSSARY OF ACRONYMS AND ABBREVIATIONS REFERENCES ABB Environmental Services, Inc. W0019524 7053-12 I I NO FURTHER ACTION DECISION UNDER CERCLA STUDY AREA 43K HISTORIC GAS STATION SITES FORT DEVENS, MASSACHUSETITS 3 LIST OF FIGURES I Figure Title 2-1 Location of Fort Devens I 2-2 Location of SA 43K 3-1 TerraProbe Locations 4-1 ATEC Field Screening Locations I 4-2 Field Screening Results Depth at 6 to 9 Feet 4-3 Analytes in Soil I Ii ABB Environmental Services, Inc. W0019524 7053-12 I I EXECUTIVE SUMMARY I EXECUTIVE SUMMARY I Investigations of Study Area 43K (Historic Gas Station Site) at Fort Devens, Massachusetts have resulted in the decision that no further hazardous waste studies or remediation are required at this site. Study Area 43K was identified in the Federal 3 Facilities Agreement between the U.S. Environmental Protection Agency and the U.S. Department of Defense as a potential site of contamination. Fort Devens was placed on the National Priorities List under the Comprehensive Environmental Response, Compensation and Liability Act as amended by the Superfund Amendments and Reauthorization Act on December 21, 1989. In addition, under Public Law 101-510, the Defense Base Realignment and Closure Act of 1990, Fort Devens was selected for cessation of operations and closure. In accordance with these acts, numerous studies, including a Master Environmental Plan, an Enhanced Preliminary Assessment, and a Site Investigation, have been conducted which address Study 3 Area 43K. Field investigation of Study Area 43K was initiated in 1992 in conjunction with the other 12 Groups 2, 7, and Historic Gas Stations Study Areas at Fort Devens. The Study Area 43K site investigation consisted of a surficial geophysical survey, subsurface soil sampling using ABB Environmental Services, Inc.'s TerraProbe unit, field analysis of the subsurface soil samples, and one soil boring to collect samples for laboratory analysis. The geophysical survey indicated that one abandoned underground storage tank was present at the site. This tank was removed by ATEC Environmental Consultants on September 3, 1992. ATEC performed field screening for volatile organic compounds and total petroleum hydrocarbons on eight soil samples collected from the walls of the excavation. Volatile organic compound concentrations ranged from 0.5 to 190 parts per million, and total petroleum hydrocarbon concentrations ranged from 22 to 89 parts per million. Based on these results, ATEC removed more soil from the excavation and collected four additional soil samples. Volatile organic compounds ranged from 1 to 4 parts per million in the soil headspace and total petroleum hydrocarbon concentrations (measured in the laboratory) ranged from 15 to 58 parts per million. The 58 parts per million of total petroleum hydrocarbons was found in the southeast comer of the excavation. No volatile organic compounds were detected in the one soil sample analyzed in the laboratory for volatile organic compounds. One groundwater sample was collected from the excavation and analyzed in the laboratory for total petroleum ABB Environmental Services, Inc. W0019524 7053-12 ES-1 I I EXECUTIVE SUMMARY I hydrocarbons only. A concentration of 22 milligrams per liter of total petroleum hydrocarbons was detected in this sample. Due to these results, ATEC lined the southeast corner of the excavation with polyethylene sheeting and backfilled the entire excavation with clean fill. Based on the results of the ATEC field screening, this underground storage tank removal was classified as a successful removal and no further soil removal or remediation was conducted. To determine whether contamination had migrated laterally along the water table, 11 soil samples were collected at ten TerraProbe points around the excavation at SA 43K. The results of the field analyses indicated that no benzene, toluene, ethylbenzene, and xylene compounds or total petroleum hydrocarbons were present in the subsurface soil samples around the excavation. One soil boring (43K-92-01X) was drilled to the water table to confirm the field screening results. No volatile organic compounds or total petroleum hydrocarbons were detected in the soil sample collected from the water table, and lead was present below 3 established Fort Devens background concentrations. On the basis of findings at Study Area 43K and the Preliminary Risk Evaluation, there is 3 no evidence or reason to conclude that petroleum contamination due to the former underground storage tank has caused significant environmental contamination or poses a threat to human health. The decision has been made to remove Study Area 43K from further consideration in the Installation Restoration Program. I I I I U 3 ABB Environmental Services, Inc. W0019524 7053-12 ES-2 I I * SECTION 1 I I 1.0 INTRODUCTION This decision document has been prepared to support a no further action decision at Study Area 43K - Historic Gas Station Site (SA 43K) at Fort Devens, Massachusetts. The report was prepared as part of the U.S. Department of Defense (DOD) Base Realignment and Closure (BRAC) program to assess the nature and extent of contamination associated with site operations at Fort Devens. In conjunction with the Army's Installation Restoration Program (IRP), Fort Devens and the U.S. Army Environmental Center (USAEC; formerly the U.S. Army Toxic and Hazardous Materials Agency) initiated a Master Environmental Plan (MEP) in 1988. 3 The MEP consists of assessments of the environmental status of SAs, specifies necessary investigations, and provides recommendations for response actions with the objective of identifying priorities for environmental restoration at Fort Devens. The Historic Gas 3I Station Sites were identified in the MEP as potential areas of contamination. On December 21, 1989, Fort Devens was placed on the National Priorities List under the Comprehensive Environmental Response, Compensation and Liability Act (CERCLA) as amended by the Superfund Amendments and Reauthorization Act. An Enhanced Preliminary Assessment (PA) was also performed at Fort Devens to address areas not normally included in the CERCLA process, but requiring review prior to closure. A final version of the PA report was completed in April 1992. In 1992, DOD, through USAEC, also initiated a Site Investigation (SI) for SA 43A through S I along with the other 12 SAs in SA Groups 2 and 7 at Fort Devens. The SI was conducted by ABB Environmental Services, Inc. (ABB-ES). I Under Public Law 101-510, the Defense Base Realignment and Closure Act of 1990, Fort Devens has been selected for cessation of operations and closure. An important aspect of BRAC actions is to determine environmental restoration requirements before property transfer can be considered. Studies at SA 43K were conducted to support this overall mission. ABB Environmental Services, Inc. W0019524 7053-12 * 1-1 I. I I I I I I I I I 3 THIS PAGE INTENTIONALLY LEFT BLANK I I I I I I I I U I I SECTION 2 2.0 BACKGROUND AND PHYSICAL SET'TING 2.1 DESCRIPTION AND LAND USE I Fort Devens is located approximately 35 miles northwest of Boston, Massachusetts, within Middlesex and Worcester counties. The installation consists of approximately 9,280 acres and includes portions of the towns of Ayer, Harvard, Lancaster and Shirley. Cities in the vicinity include Fitchburg, Leominster and Lowell. Land surfaces range from about 200 feet above mean sea level (MSL) along the Nashua River in the northern portion of the installation to 450 feet above MSL in the southern portion of the installation. Fort Devens was established in 1917 as Camp Devens, a temporary training camp for soldiers from the New England area. In 1931, the camp became a permanent installation and was redesignated as Fort Devens. Throughout its history, Fort Devens has served as a training and induction center for military personnel and a unit mobilization and demobilization site. All or portions of this function occurred during World Wars I and II, the Korean and Vietnam conflicts, and operations Desert Shield and Desert Storm. The primary mission of Fort Devens is to command, train, and provide logistical support for non-divisional troop units. The installation also supports that portion of the U.S. Army Intelligence School located at Fort Devens, for the Army Readiness Region, for Reserve Components, and for Army Reserve and National Guard in the New England area. Fort Devens currently consists of three major land use areas: Main Post, South Post, and North Post (Figure 2-1). The majority of the facilities on Fort Devens are located in the Main Post area, north of Massachusetts Highway 2. The Nashua River intersects the Main Post along its western edge. The Main Post provides all of the on-post housing, including over 1,700 family units and 9,800 bachelor units (barracks and unaccompanied officer's quarters). Other facilities on the Main Post include community support activities (such as a shoppette, cafeteria, post exchange, commissary, bowling alley, golf course, and hospital), administrative buildings, classrooms and training facilities, maintenance facilities, and ammunition storage facilities. The Historic Gas Station Sites, including SA 43K, are located on the Main Post. ABB Environmental Services, Inc. W0019524 7053-12 2-1
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